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annotate flys-artifacts/src/main/java/de/intevation/flys/utils/ThemeUtil.java @ 1182:8ad0331e444f

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Added inital mapserver configuration files. flys-artifacts/trunk@2773 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Bjoern Schilberg <bjoern@intevation.de>
date Fri, 16 Sep 2011 10:49:04 +0000
parents 9324839684a4
children f708120cb7bc
rev   line source
1090
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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1 package de.intevation.flys.utils;
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2
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3 import java.awt.Color;
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4
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5 import org.w3c.dom.Document;
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6
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7 import de.intevation.artifacts.common.utils.XMLUtils;
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8
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9
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10 /**
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11 * Utility to deal with themes and their representations.
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12 */
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13 public class ThemeUtil {
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14 public final static String XPATH_LINE_COLOR = "/theme/field[@name='linecolor']/@default";
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15
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16 /**
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17 * Parse a string like "103, 100, 0" and return a corresping color.
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18 * @param rgbtext Color as string representation, e.g. "255,0,20".
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19 * @return Color, null in case of issues.
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20 */
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21 public static Color parseRGB(String rgbtext) {
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22 if (rgbtext == null) {
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23 return null;
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24 }
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25 String rgb[] = rgbtext.split(",");
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26 Color c = null;
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27 try {
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28 c = new Color(
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29 Integer.valueOf(rgb[0].trim()),
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30 Integer.valueOf(rgb[1].trim()),
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31 Integer.valueOf(rgb[2].trim()));
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32 }
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33 catch (NumberFormatException nfe) {
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34 c = null;
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35 }
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36 return c;
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37 }
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38
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39 /**
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40 * Gets color from color field.
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41 * @param theme the theme document.
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42 * @return color.
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43 */
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44 public static Color parseLineColorField(Document theme) {
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45 String color = XMLUtils.xpathString(theme, XPATH_LINE_COLOR, null);
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46 return parseRGB(color);
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47 }
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48 }
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